state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
\(\frac{\tan A}{1 \space-\space \cot A} + \frac{\cot A}{1 \space-\space \tan A}\) রাশিটির মান কত?
1
1 + sec A cosec A
2
1 + sin A cos A
3
tan A + cot A
4
sec A + cosec A